Zoned Heating and Air Conditioning Systems

2019-09-13T19:06:42+00:00

Zoned heating and air conditioning systems provide homeowners with the ability to set specific cooling and heating temperatures for different areas of the house.

Zoned systems act much like multiple light switches that independently control lighting in different rooms – multiple zone thermostats control temperatures in different areas of the home. For example, in the summer time your upstairs may get warmer than lower levels of your house. A zoned system allows you to have the AC running upstairs while leaving it off on those lower levels.

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How does a zoned heating or air conditioning system work?

Zoned systems do not involve multiple heating or AC units; rather, the air that is supplied by a single unit is distributed to appropriate areas of the home via “dampers” or valves.

Each damper is in charge of controlling the airflow to a specific zone within the house. Zones can be categorized in a number of different ways (by room, floor, section, etc.)

Zoned systems are controlled using multiple thermostats rather than a single thermostat. Each zone in the house will have its own thermostat which can be set to its own temperature. A single zone could be set to 72 degrees, for example, while another could be set to 74.

When the air temperature in a zone exceeds or becomes less than the desired temperature, the heating or air conditioning system will kick on. Dampers for that zone only will open, disbursing air appropriately until the proper temperature is reached. Once that happens, the dampers close and the unit shuts down.